43142141 has 16 divisors (see below), whose sum is σ = 54956160. Its totient is φ = 32970240.

The previous prime is 43142123. The next prime is 43142167. The reversal of 43142141 is 14124134.

It is a cyclic number.

It is not a de Polignac number, because 43142141 - 2¹⁰ = 43141117 is a prime.

It is a super-2 number, since 2×43142141² = 3722488660127762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7280 + ... + 11801.

It is an arithmetic number, because the mean of its divisors is an integer number (3434760).

Almost surely, 2^43142141 is an apocalyptic number.

It is an amenable number.

43142141 is a deficient number, since it is larger than the sum of its proper divisors (11814019).

43142141 is a wasteful number, since it uses less digits than its factorization.

43142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19124.

The product of its digits is 384, while the sum is 20.

The square root of 43142141 is about 6568.2677320584. The cubic root of 43142141 is about 350.7254097632.

Adding to 43142141 its reverse (14124134), we get a palindrome (57266275).

The spelling of 43142141 in words is "forty-three million, one hundred forty-two thousand, one hundred forty-one".